10. A truck travelling due north at 20 ms-'turns west and travels
at the same speed. The change in its velocity will be
(a) 40 ms-'N-W
(b) 20/2 ms-'N-W
(c) 40 ms -1S-W
(d) 2012 ms -1S-W
Answers
Answered by
2
Answer:
answer is 20√2 due S W
Explanation:
u=20j and v=-20i so taking magnitude it gives 20√2
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